<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <p>{{msg}}</p>
        <p>{{str}}</p>
    </div>
</body>
</html>
<script src="./js/myvue.js"></script>
<script>
    let vm = new Vue({
        el: '#app',
        data: {
            msg: 'hi',
            str: 'how are you'
        },
        beforeCreate() {
            console.log('beforeCreate', this.msg);
        },
        created() {
            console.log('created', this.msg);
        },
        beforeMount() {
            console.log('beforeMount', this.str);
        },
        mounted() {
            console.log('mounted', this.str);
        }
    })
</script>